Home / 87,814.52-121,182.98-47,527.32

Finding the Fourth Proportional to 87,814.52, 121,182.98 and 47,527.32

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Solution

The fourth proportional to 87,814.52, 121,182.98 and 47,527.32 is: 65,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,814.52 : 121,182.98 = 47,527.32 : x
  2. Step 2: Convert to fraction form
    87,814.52/121,182.98 = 47,527.32/x
  3. Step 3: Cross multiply
    87,814.52x = 121,182.98 × 47,527.32
  4. Step 4: Simplify right side
    87,814.52x = 5,759,502,269.01
  5. Step 5: Solve for x
    x = 5,759,502,269.01/87,814.52
  6. Step 6: Final answer
    x = 65,587.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.